multi-rat jobs in San Diego

Design, implement, verify, validate, and commercialize Wireless WAN modem air interface Radio Access technologies software. Work on multi-RAT (LTE, 5G NR) transceiver, HW control, and wireless Radio Access Stratum software implementation per 3GPP specifications.…See more Develop models and simulations, create test cases to validate modem performance (throughput, latency, power consumption), and collaborate with cross-functional teams on modem IP architecture, RFFE design, HW APIs, and co-processor architecture. Write technical documentation and feature descriptions for modem technology software projects.

Senior engineer designing, implementing, and validating Wireless WAN modem air interface and Radio Access Network (RAN) technologies for multi-RAT systems. Responsible for modem access stratum and RF software design, algorithms, HW/SW co-processor architecture, and transceiver implementation based on 3GPP LTE and 5G NR specifications.…See more Works across L1/L2/L3 protocol layers, optimizes for performance (throughput, latency, power consumption) and cost (silicon area, calibration complexity), and collaborates with RF and hardware teams on modem IP architecture and shared resource allocation.

Staff-level RF control software engineer responsible for designing and implementing the software abstraction layer that supports diverse radio hardware configurations on a common protocol stack. Leads the development lifecycle from inception through commercialization, including RF hardware characterization, test mode interfaces, and optimization of device control transactions for timing-critical multi-RAT and concurrent radio operations.…See more Applies expertise in RF component control (amplifiers, oscillators, frequency synthesizers, mixers, switches, sensors) and digital interfaces used in multi-chip wireless transceiver platforms. Provides technical leadership across multi-disciplinary teams including ASIC design, modem/RF systems, hardware, and firmware.

Staff-level RF control software engineer responsible for designing and implementing software abstraction layers that support diverse radio hardware configurations on common protocol stacks. Designs test mode interfaces for hardware characterization and RF performance tuning, and optimizes device control transactions for multi-RAT, multi-SIM, and concurrent radio operations.…See more Applies expertise in antenna concepts, signal characterization, and RF component control (amplifiers, oscillators, frequency synthesizers, mixers, switches, sensors). Collaborates across ASIC design, modem/RF systems, systems test, hardware, and firmware teams while providing technical leadership at design reviews.